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Prusa Pro HT90 - Delta FDM 3D printer
The Pro HT90 3D printer is an innovative high-speed industrial FDM 3D printer designed for versatility and efficiency by Prusa3D. It belongs ot the Prusa Pro industrial product line, developed and manufactured separately from Original Prusa printers, showcasing the latest technologies. The Pro HT90 printer features a cylindrical print area with a diameter of 300 mm and a Z-height of 400 mm, and Delta kinematics, making it suitable for a wide range of applications.
The HT90 printer includes an actively heated chamber capable of reaching temperatures up to 90 ºC, Klipper firmware and Input Shaper technology for ultra-fast 3D printing at speeds of up to 600 mm/s, and swappable print heads that can heat up to 500 ºC. These parameters make the Pro HT90 printer suitable for use with a diverse array of materials, from PLA to aerospace-certified PEI (Ultem).
The exceptional performance of the HT90 is further enhanced by a proprietary cooling solutions developed in-house, ensuring chamber temperature optimized for each 3D printing material and optimal material flow with the high-flow printhead. Furthermore, the Pro HT90 printer counts with an advanced closed-loop HEPA air filtering system for user safety.
All the technical specifications of the Pro HT90 printer will be discussed in detail below.
The Prusa Pro HT90 printer comes with two specialized direct-drive print heads designed for efficiency, versatility and great performance with flexible materials. These print heads are magnetically held, allowing for quick and easy exchanges. By simply detaching the arms and disconnecting the cable from the top of the printer, users can switch to a different extruder within minutes.
Both print heads are equipped with quick-swap REVO nozzles, ensuring optimal combinations for any project. With an ultralight design, active vibration cancellation with Input Shaper, fast delta kinematics and accelerations of up to 20000 mm/s², the Pro HT90 3D printer is capable of processing 1 kg of PETG/ABS filament in just 8 hours.
The High-Flow print head, reaching up to 300 ºC, is ideal for PLA, PETG, and PC. It features an ultra-fast flap cooling system for precise airflow adjustments, enabling exceptional overhangs and improved inter-layer adhesion. This head includes a high-flow REVO nozzle.
The High-Temp print head, which can reach temperatures up to 500 ºC, is designed for high-end materials such as PEEK, PEKK, and PEI. It features an abrasion-resistant nozzle, making it suitable for demanding applications requiring robust performance and reliability. Both printheads deposit a perfectly smooth and consistent first layer with no manual adjustments thanks to the precise Loadcell sensor, ultraprecise offset calculations, and advanced Delta kinematics.
The Prusa Pro HT90 features an actively heated chamber that reaches up to 90 ºC, maximizing the potential of materials like ABS, ASA, PA, PCCF, Flex, and more. This heated insulated environment ensures unparalleled layer adhesion and print quality, preventing warping and layer delamination, even for large objects. An innovative servo flap system allows for precise airflow redirection within milliseconds, enabling flawless overhangs with minimal supports.
Additionally, the HT90's closed-loop air recirculation system with a HEPA filter maintains a clean chamber, while an automatic intake flap manages temperatures for various materials. Key components are placed outside the heated chamber to prolong their lifespan, ensuring optimal performance for demanding applications.
The Prusa Pro HT90 features a print bed that can reach a maximum temperature of 155 ºC, paired with a removable textured magnetic PEI steel sheet. This setup provides excellent adhesion for a wide variety of materials and ensures easy print removal once the job is complete.
The high bed temperature capability is particularly advantageous for advanced 3D printing applications, allowing for optimal performance with high-temperature materials such as PEI and PEEK. The removable magnetic sheet simplifies maintenance and enhances the overall user experience, making it ideal for both complex industrial projects and routine prints.
The Prusa Pro HT90 offers a user-friendly experience with its large 7-inch touchscreen, enabling quick setup and easy operation. Users can start printing within minutes of unpacking, thanks to fast preparation processes and straightforward instructions. The sliding door of the printer features a handle with a lock for safety, the printer is equipped with a handly power on/off button above the screen, and a status light below the screen.
The HT90 supports comprehensive remote print management and surveillance while ensuring security for industrial applications. It can operate fully offline, with the option to disconnect the WiFi module, and does not collect data about prints or the printer's surroundings.
For remote management, the HT90 provides two options: local mode, accessible only through local area networks, and Prusa Connect, a secure remote print management system for access from anywhere. The built-in camera and chamber lighting facilitate print monitoring, with the option to attach an external USB camera for enhanced visibility.
The sturdy and elegant chassis has a spool support mounted on the right-hand side, below the control screen. The Prusa Pro HT90 printer is also equipped with a filament sensor to notify of any material events, thus increasing the printer's efficiency, reducing potential downtime and leading to material savings in the long run.
The Prusa Pro HT90 excels in several key applications. For prototyping, it offers extremely fast printing with top-quality surfaces using materials like ABS or ASA. In proof of concept projects, it produces highly durable prints from PACF, PC blend, nylon, and flexible TPU or TPE. For functional parts, the HT90 can print with high-performance materials like PEI (Ultem) or PEKK-CF, making it suitable for a wide range of demanding applications.
The Prusa Pro HT90 printer can produce engine components and coolers, medical implants, functional machine parts, valves, pipes, chemically-resistant items, and durable parts that withstand heat and cold, among others. The HT90 is equipped to handle even the most challenging projects.
On the manufacturer's website, you will find a quick guide on how to unpack the Pro HT 90 3D printer.
In the Prusa Knowledge Base, users can find more resources for the Prusa Pro HT90, such as a printing manual (also available in the Downloads section of this product), as well as various articles on usage and common issues with the Prusa Pro HT90.
High speed and high temp Delta FDM 3D printer for engineering applications.